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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Williamstown, NY

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Counties:OSWEGO, NY
Area Code(s):315
Timezone(s):Eastern (GMT -05:00)
City Population:2,070 (More Details)
CBSA:Syracuse, NY
Congressional District(s):24
Land Area:952 square miles (county)
Water Area:360 square miles (county)

1 ZIP Code

Williamstown, NY ZIP Code Boundaries

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Williamstown, NY Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Williamstown, NY Demographic Information *

There is no Census data for the city of WILLIAMSTOWN, NY. We have pulled information for the ZIP Code 13493 instead.
Total population**2,070
Male population1,060
Female population1,010
Median age (years)37.3
White Population2,001
Black Population8
Indian Population9
Asian Population1
Hawaiian Population0
Hispanic Population38
Median age (Male)37.6
Median age (Female)36.8
Total households741
Family households (families)551
Average household size2.79
Average family size3.11
Total housing units945
* Demographic data is based on 2010 Census for the City of WILLIAMSTOWN.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],